<template>
	<view>
    <view class="goods-list">
      <view v-for="(goods,i) in goodslist" :key='i' @click="gotodetail(goods)">
      <my-goods :goods='goods'></my-goods>
      </view>
    </view>
		
	</view>
</template>

<script>
	export default {
		data() {
			return { 
				queryObj:{
        query:'',
        cid:'',
        pagenum:1,
        pagesize:10
       
        },
        goodslist:[],
        total:0,
        //节流阀
        isloading:false
			};
		},
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid   = options.cid || ''
      
      this.getgoodslist()
    },
    methods:{
      //获取商品列表数据
     async getgoodslist(cb){
       //打开节流阀
      this.isloading = true
     const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
     // 关闭节流阀
     this.isloading = false
      cb && cb()
      if(res.meta.status !== 200)return  uni.$showMsg()
      
      this.goodslist = [...this.goodslist,...res.message.goods]
      this.total = res.message.total
      },
      onReachBottom(){
        if(this.queryObj.pagenum *this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
        if(this.isloading) return
        
        //让页码值自增加一
        this.queryObj.pagenum ++
        this.getgoodslist()
      },
      onPullDownRefresh(){
        //重置关键数据
        this.queryObj.pagenum = 1
        this.total = 0
        this.isloading = false
        this.goodslist = []
        //重新发起数据请求
        this.getgoodslist(()=> uni.stopPullDownRefresh())
      },
      gotodetail(goods){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id=' + goods.goods_id
        })
      }
    }
	}
</script>

<style lang="scss">

</style>
